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Lithium batteries also prove valuable in oceanographic applications.While lithium battery packs are considerably more expensive than standard oceanographic packs, they hold up to three times the capacity of alkaline packs.
Because of the severity of famine, it was a chief concern for governments and other authorities. In pre-industrial Europe, preventing famine, and ensuring timely food supplies, was one of the chief concerns of many governments, although they were severely limited in their options due to limited levels of external trade, infrastructure, and bureaucracy generally too rudimentary to effect real ...
Pennsylvania (US: / ˌ p ɛ n s əl ˈ v eɪ n i ə / PEN-səl-VAY-nee-ə, elsewhere /-s ɪ l ˈ-/-sil-; Pennsylvania German: Pennsilfaani), officially the Commonwealth of Pennsylvania, is a landlocked state spanning the Mid-Atlantic, Northeastern, and Appalachian regions of the United States.
Food security is the measure of the availability of food and individuals' ability to access it.According to the United Nations' Committee on World Food Security, food security is defined as meaning that all people, at all times, have physical, social, and economic access to sufficient, safe, and nutritious food that meets their food preferences and dietary needs for an active and healthy life.